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* feat: Initial support for uTLS. * fix: some general code cleanup other fixes. need to look into the issue I was getting without the function. I think it was resetting something on the variable? * fix: certificate compression being sent in ClientHello, but not actually being usable on our end. This should fix the issue. * fix: spacing and other basic stuff. * fix: space Co-authored-by: Jake LaFountain <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package warc | ||
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| import tls "github.com/refraction-networking/utls" | ||
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| // Taken from https://github.com/refraction-networking/utls/blob/master/u_parrots.go#L215 as the default Chrome config and modified to fit our needs. | ||
| func getCustomTLSSpec() *tls.ClientHelloSpec { | ||
| return &tls.ClientHelloSpec{ | ||
| CipherSuites: []uint16{ | ||
| tls.GREASE_PLACEHOLDER, | ||
| tls.TLS_AES_128_GCM_SHA256, | ||
| tls.TLS_AES_256_GCM_SHA384, | ||
| tls.TLS_CHACHA20_POLY1305_SHA256, | ||
| tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, | ||
| tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, | ||
| tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, | ||
| tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, | ||
| tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, | ||
| tls.TLS_RSA_WITH_AES_128_GCM_SHA256, | ||
| tls.TLS_RSA_WITH_AES_256_GCM_SHA384, | ||
| tls.TLS_RSA_WITH_AES_128_CBC_SHA, | ||
| tls.TLS_RSA_WITH_AES_256_CBC_SHA, | ||
| }, | ||
| CompressionMethods: []byte{ | ||
| 0x00, // compressionNone | ||
| }, | ||
| Extensions: []tls.TLSExtension{ | ||
| &tls.UtlsGREASEExtension{}, | ||
| &tls.SNIExtension{}, | ||
| &tls.UtlsExtendedMasterSecretExtension{}, | ||
| &tls.RenegotiationInfoExtension{Renegotiation: tls.RenegotiateOnceAsClient}, | ||
| &tls.SupportedCurvesExtension{Curves: []tls.CurveID{ | ||
| tls.CurveID(tls.GREASE_PLACEHOLDER), | ||
| tls.X25519, | ||
| tls.CurveP256, | ||
| tls.CurveP384, | ||
| }}, | ||
| &tls.SupportedPointsExtension{SupportedPoints: []byte{ | ||
| 0x00, // pointFormatUncompressed | ||
| }}, | ||
| &tls.SessionTicketExtension{}, | ||
| // changed IMPORTANT!!! default ALPN is "h2", "http/1.1". This could get servers to automatically send us HTTP2, which we can't parse or handle. We could be profiled based on this. | ||
| &tls.ALPNExtension{AlpnProtocols: []string{"http/1.1"}}, | ||
| &tls.StatusRequestExtension{}, | ||
| &tls.SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []tls.SignatureScheme{ | ||
| tls.ECDSAWithP256AndSHA256, | ||
| tls.PSSWithSHA256, | ||
| tls.PKCS1WithSHA256, | ||
| tls.ECDSAWithP384AndSHA384, | ||
| tls.PSSWithSHA384, | ||
| tls.PKCS1WithSHA384, | ||
| tls.PSSWithSHA512, | ||
| tls.PKCS1WithSHA512, | ||
| }}, | ||
| &tls.SCTExtension{}, | ||
| &tls.KeyShareExtension{KeyShares: []tls.KeyShare{ | ||
| {Group: tls.CurveID(tls.GREASE_PLACEHOLDER), Data: []byte{0}}, | ||
| {Group: tls.X25519}, | ||
| }}, | ||
| &tls.PSKKeyExchangeModesExtension{Modes: []uint8{ | ||
| tls.PskModeDHE, | ||
| }}, | ||
| &tls.SupportedVersionsExtension{Versions: []uint16{ | ||
| tls.GREASE_PLACEHOLDER, | ||
| tls.VersionTLS13, | ||
| tls.VersionTLS12, | ||
| tls.VersionTLS11, | ||
| tls.VersionTLS10, | ||
| }}, | ||
| &tls.UtlsCompressCertExtension{Algorithms: []tls.CertCompressionAlgo{ | ||
| tls.CertCompressionBrotli, | ||
| }}, | ||
| &tls.UtlsGREASEExtension{}, | ||
| &tls.UtlsPaddingExtension{GetPaddingLen: tls.BoringPaddingStyle}, | ||
| }, | ||
| } | ||
| } |
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